/* reset css */
*,
::before,
::after {
    margin: 0;
    padding: 0;
    /* 针对移动端 */
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    /* 点击高亮效果清除 */
    -webkit-tap-highlight-color: transparent;
}

body {
    font-size: 14px;
    color: #333;
    font-family: sans-serif;
}

ul,
ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
}

input,
textarea {
    outline: none;
    border: none;
    resize: none;
    /* 清除移动端输入框样式 */
    -webkit-appearance: none;
}

/* common css */
.f_left {
    float: left;
}

.f_right {
    float: right;
}

.clearfix::before,
.clearfix::after {
    content: '';
    display: block;
    height: 0;
    line-height: 0;
    visibility: hidden;
    clear: both;
}

.m_l10 {
    margin-left: 10px;
}

.m_r10 {
    margin-right: 10px;
}

/* 精灵图 */
/* class="icon_xxx"   class="red icon_xxx"*/
[class^="icon_"],
[class*=" icon_"] {
    background: url("../images/sprites.png") no-repeat;
    background-size: 200px 200px;
}